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Timestamp:
09/06/10 16:52:23 (21 months ago)
Author:
farhi
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data: corrected unit cell definition w.r.t chemical formula, which effects cross sections in PowderN, Single X, Isotropic Sqw

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  • trunk/nlib/data/Tl.laz

    r2012 r2925  
    11# TITLE *-Tl-[P63/MMC] Lipson, H.;Stokes, A.R.[1941] [Tl-alpha below 505 K, toxic] 
    22# CELL 3.456600 3.456600 5.524800 90.000000 90.000000 120.000000 
    3 # SPCGRP P 63/M M C 
     3# SPCGRP P 63/M M C  HEXAGONAL STRUCTURE 
    44# ATOM TL 1 0.333300 0.666700 0.250000 
    55# SCATTERING FACTOR  COEFFICIENTS: TL     F= 0.878 CM-12 
    … …  
    77# 
    88# Physical parameters: 
    9 # sigma_coh 9.678   coherent scattering cross section in [barn] 
    10 # sigma_inc 0.21    incoherent scattering cross section in [barn] 
    11 # sigma_abs 3.43    absorption scattering cross section in [barn] 
     9# sigma_coh 9.678   coherent scattering cross section (single atom) in [barn] 
     10# sigma_inc 0.21    incoherent scattering cross section (single atom) in [barn] 
     11# sigma_abs 3.43    absorption scattering cross section (single atom) in [barn] 
    1212# density   11.85   in [g/cm^3] 
    13 # weight    204.4   in [g/mol] 
    14 # nb_atoms  2       in [atoms/unit cell] 
     13# weight    204.4   in [g/mol] (single atom) 
     14# multiplicity 2    in [atoms/unit cell] 
     15# Vc        57.17   volume of unit cell in [A^3] 
    1516# v_sound   818     in [m/s] 
    1617# T_m       577     melting temperature in [K]